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Search, upload, browse, or download from a database of over 11,000 SNMP MIBs. MIB Viewer lets you look up any MIB object by name, OID, or number, view its syntax, access level, and description, trace its place in the MIB tree, and generate ready-to-run SNMP commands — all in your browser.

What's a MIB?

A MIB (Management Information Base) is a structured document that defines the data a device exposes over SNMP — things like interface counters, system uptime, or CPU load. Each module declares a set of named objects, organized into a tree.

What's SNMP?

SNMP (Simple Network Management Protocol) is how network devices — routers, switches, servers — report status and statistics to monitoring tools. It's the protocol; MIBs are the vocabulary it uses to describe what's being asked for.

What's an OID?

An OID (Object Identifier) is the numeric address of one piece of data in a MIB — a dotted sequence like 1.3.6.1.2.1.1.1, read from the root of a global tree down to one specific object. Names are easier to read; OIDs are what's actually sent over the wire.

Try it: sysDescr (1.3.6.1.2.1.1.1) →

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iso/org/dod/internet/private/enterprises/.4756/frm220/.490/f16G3RTable/f16G3REntry/f16G3RRate2

f16G3RRate2

OBJECT-TYPE

1.3.6.1.4.1.4756.20.490.20.1.55

Access

read-write

Status

current

Source

CTC-FRM220-MIB

Sub-identifiers

Description

Local FRM220-16G-3R card Rate2(Dual Channel only): Ethernet 0: 10GE 1: 1GE 2: 2500Base-X SONET/SDH 8: OC-192/STM-64 9: OC-48/STM-16 10:OC-24 11:OC-12/STM-4 Fiber Channel 16: 16GFC 17: 10GFC 18: 8GFC 19: 4GFC 20: 2GFC 21: 1GFC CPRI 24: x20 CPRI 25: x16 CPRI 26: x10 CPRI 27: x8 CPRI 28: x5 CPRI 29: x4 CPRI 30: x2 CPRI 31: x1 CPRI OBSAI 32: x8 OBSAI 33: x4 OBSAI 34: x2 OBSAI 35: x1 OBSAI OTU 40: 10G LAN OTU2e 41: 10G LAN OTU1e 42: STM-64 OTU2 43: STM-16 OTU1 44: 10G FC OTU2 ODU 48: 10G LAN ODU2e 49: 10G LAN ODU1e 50: STM-64 ODU2 51: STM-16 ODU1

Syntax

INTEGER { rate10GE(0), rate1GE(1), rate2500X(2), oc192-STM64(8), oc192-STM16(9), oc24(10), oc12-STM4(11), rate16GFC(16), rate10GFC(17), rate8GFC(18), rate4GFC(19), rate2GFC(20), rate1GFC(21), x20CPRI(24), x16CPRI(25), x10CPRI(26), x8CPRI(27), x5CPRI(28), x4CPRI(29), x2CPRI(30), x1CPRI(31), x8OBSAI(32), x4OBSAI(33), x2OBSAI(34), x1OBSAI(35), rate10GE-OTU2e(40), rate10GE-OTU1e(41), stm64-OTU2(42), stm16-OTU1(43), rate10GFC-OTU2(44), rate10GE-ODU2e(48), rate10GE-ODU1e(49), stm64-ODU2(50), stm16-ODU1(51) }